diff options
Diffstat (limited to 'arch/blackfin/kernel/kgdb.c')
| -rw-r--r-- | arch/blackfin/kernel/kgdb.c | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/arch/blackfin/kernel/kgdb.c b/arch/blackfin/kernel/kgdb.c index edae461b1c54..eb92592fd80c 100644 --- a/arch/blackfin/kernel/kgdb.c +++ b/arch/blackfin/kernel/kgdb.c @@ -345,6 +345,23 @@ void kgdb_roundup_cpu(int cpu, unsigned long flags) } #endif +#ifdef CONFIG_IPIPE +static unsigned long kgdb_arch_imask; +#endif + +void kgdb_post_primary_code(struct pt_regs *regs, int e_vector, int err_code) +{ + if (kgdb_single_step) + preempt_enable(); + +#ifdef CONFIG_IPIPE + if (kgdb_arch_imask) { + cpu_pda[raw_smp_processor_id()].ex_imask = kgdb_arch_imask; + kgdb_arch_imask = 0; + } +#endif +} + int kgdb_arch_handle_exception(int vector, int signo, int err_code, char *remcom_in_buffer, char *remcom_out_buffer, @@ -388,6 +405,12 @@ int kgdb_arch_handle_exception(int vector, int signo, * kgdb_single_step > 0 means in single step mode */ kgdb_single_step = i + 1; + + preempt_disable(); +#ifdef CONFIG_IPIPE + kgdb_arch_imask = cpu_pda[raw_smp_processor_id()].ex_imask; + cpu_pda[raw_smp_processor_id()].ex_imask = 0; +#endif } bfin_correct_hw_break(); @@ -448,6 +471,9 @@ void kgdb_arch_set_pc(struct pt_regs *regs, unsigned long ip) int kgdb_arch_init(void) { kgdb_single_step = 0; +#ifdef CONFIG_IPIPE + kgdb_arch_imask = 0; +#endif bfin_remove_all_hw_break(); return 0; |